Intangible Assets, net and Goodwill - Reconciliation of the Carrying Amount of Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2016 USD ($)
Goodwill [Roll Forward]
Balance at the beginning of the period	$ 3,013.7
Foreign currency adjustments	(21.2)
Balance at the end of the period	2,992.5
Interactive
Goodwill [Roll Forward]
Balance at the beginning of the period	2,486.0
Foreign currency adjustments	(23.0)
Balance at the end of the period	2,463.0
Lottery
Goodwill [Roll Forward]
Balance at the beginning of the period	417.9
Foreign currency adjustments	1.8
Balance at the end of the period	419.7
Interactive
Goodwill [Roll Forward]
Balance at the beginning of the period	109.8
Foreign currency adjustments	0.0
Balance at the end of the period	$ 109.8